<script setup>

import {User, Lock} from "@element-plus/icons-vue";
import {ref, watch} from "vue";
import {userLoginService, userRegisterService} from "@/api/user.js";
import {ElMessage} from "element-plus";
import {useUserStore} from "@/stores/index.js";
import {useRouter} from "vue-router";

const isRegister = ref(false)
const formModel = ref({
  username: '',
  password: '',
  repassword: ''
})

const rules = {
  username: [
    {required: true, message: '请输入用户名', trigger: 'blur'},
    {min: 5, max: 8, message: '用户名必须是5-10位的字符', trigger: "blur"}
  ],
  password: [
    {required: true, message: '请输入密码', trigger: 'blur'},
    {
      pattern: /^\S{6,15}$/,
      message: '密码必须是6-15位的非空字符',
      trigger: 'blur'
    }
  ],
  repassword: [
    {required: true, message: '请在此输入密码', trigger: 'blur'},
    {
      pattern: /^\S{6,15}$/,
      message: '密码必须是6-15的非空字符',
      trigger: 'blur'
    },
    {
      validator: (rule, value, callback) => {
        if (value !== formModel.value.password) {
          callback(new Error('两次输入密码不一致!'))
        } else {
          callback()
        }
      },
      trigger: "blur"
    }
  ]
}

const form = ref()

const register = async () => {
  await form.value.validate()
  await userRegisterService(formModel.value)
  ElMessage.success('注册成功')
  isRegister.value = false
}

watch(isRegister, () => {
  formModel.value = {
    username: '',
    password: '',
    repassword: ''
  }
})

const userStore = useUserStore()
const router = useRouter()
const login = async () => {
  await form.value.validate()
  const res = await userLoginService(formModel.value)
  userStore.setToken(res.data.token)
  ElMessage.success('登录成功')
  router.push('/')
}


</script>


<template>
  <el-row class="login-page">
    <el-col :span="12" class="bg"></el-col>
    <el-col :span="6" :offset="3" class="form">
      <el-form :rules="rules" :model="formModel" ref="form" size="large" autocomplete="off" v-if="isRegister">
        <el-form-item>
          <h1>注册</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input v-model="formModel.username" :prefix-icon="User" placeholder="请输入用户名"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="formModel.password" :prefix-icon="Lock" placeholder="请输入密码"
                    type="bassword"></el-input>
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input v-model="formModel.repassword" :prefix-icon="Lock" placeholder="请在次确认密码" type="password"/>
        </el-form-item>
        <el-form-item>
          <el-button @click="register" class="button" type="primary" auto-insert-space>注册</el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister=false">
            ⬅ 返回
          </el-link>
        </el-form-item>
      </el-form>

      <el-form :rules="rules" :model="formModel" ref="form" size="large" autocapitalize="off" v-else>
        <el-form-item>
          <h1>登陆</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input v-model="formModel.username" :prefix-icon="User" placeholder="请输入用户名"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="formModel.password" name="password" :prefix-icon="Lock" type="password"
                    placeholder="请输入密码"></el-input>
        </el-form-item>
        <el-form-item class="flex">
          <div class="flex">
            <el-checkbox>记住我</el-checkbox>
            <el-link type="primary" :underline="false">忘记密码</el-link>
          </div>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" auto-insert-space @click="login">登陆</el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister=true">
            注册➡
          </el-link>
        </el-form-item>
      </el-form>
    </el-col>
  </el-row>
</template>

<style lang="scss" scoped>
.login-page {
  height: 100vh;
  background-color: #fff;

  .bg {
    background: url('@/assets/logo2.png') no-repeat 60% center / 240px auto,
    url('@/assets/login_bg.jpg') no-repeat center / cover;
    border-radius: 0 20px 20px 0;
  }

  .form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    user-select: none;

    .title {
      margin: 0 auto;
    }

    .button {
      width: 100%;
    }

    .flex {
      width: 100%;
      display: flex;
      justify-content: space-between;
    }

  }
}
</style>
